PROFORM (66776): 1,000 LB Digital Valve Spring Tester

For the most accurate spring-pressure checks, look no further than the new billet-aluminum, 1,000 lb, digital bench top spring tester from PROFORM. The red-anodized 66776 tester checks springs up to 1.9” diameter and 3.875” tall in 1 lb increments, with a backlit display to aid in low-light conditions. Peak hold and automotive shutoff round out the features.


  • Red-anodized aluminum and backlit digital readout
  • 1,000 lb rating; reads in 1 lb increments
  • Checks springs up to 1.9” in diameter and 3 7/8” tall
  • Peak hold and auto shutoff functions
  • Sold individually
PROFORM 1000 lb Digital Valve Spring Tester 66776

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Though this is not a paid review, this content has been produced by The AAM Group™ in support of manufacturers with whom it has a business relationship.

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